1 Oswaldo Cruz Foundation, René Rachou Institute, Postgraduate Program in Collective Health, Belo Horizonte, Minas Gerais, Brazil; Special Indigenous Health District of Minas Gerais and Espírito Santo, Ministry of Health, Governador Valadares, Minas Gerais, Brazil; Vale do Rio Doce University. Postgraduate Program in Integrated Territory Management, Governador Valadares, Minas Gerais, Brazil. Electronic address: dilceujunior@bol.com.br.
2 Oswaldo Cruz Foundation, René Rachou Institute, Postgraduate Program in Collective Health, Belo Horizonte, Minas Gerais, Brazil; Special Indigenous Health District of Minas Gerais and Espírito Santo, Ministry of Health, Governador Valadares, Minas Gerais, Brazil; Vale do Rio Doce University. Postgraduate Program in Integrated Territory Management, Governador Valadares, Minas Gerais, Brazil.